The JC Virus (JCV) is associated with progressive multifocal leukoencephalopathy (PML). Detection of antibodies to JCV in serum or plasma is a reliable indicator of exposure to JCV. The analytical performance characteristics were determined for multiple sclerosis patients.
Reported (Analytical Time)
The CPT codes provided are based on AMA guidelines and are for informational purposes only.
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If the Index Value is between 0.19 and 0.41 (not inclusive), then JC Virus Antibody Inhibition Assay (test code 90259) [Focus 34340]) will be performed at an additional charge (CPT code 86711).